▎ 摘　　要

NOVELTY - Porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material is claimed. The material is obtained by bonding porphyrin and phthalocyanine to surface of graphene through radical addition reaction. USE - Used as porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material. ADVANTAGE - The material has more enhanced nonlinear optical performance in nanosecond visible light field, which has very strong reference significance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material, comprising (i) taking graphite flakes and oxidize them in a system of concentrated sulfuric acid, sodium nitrate, and potassium permanganate in sequence, adding hydrogen peroxide, filtering, washing, and drying to obtain graphene oxide and then reducing by hydrazine hydrate under alkaline conditions to obtain reduced graphene oxide, (ii) reacting nitrophthalonitrile under acidic stannous chloride conditions to obtain aminophthalonitrile, and then undergo acylation under the action of acid chloride to obtain formylated phthalonitrile, (iii) adding n-hexyl mercaptan to react with dichlorophthalonitrile under weak alkaline conditions to obtain long-chain alkyl phthalonitrile, then treating with oxidizing agent to obtain long-chain phthalonitrile having electron withdrawing effect, (iv) condensing long-chain phthalonitrile and formylated phthalonitrile under the action of zinc acetate to obtain asymmetric monoformylated phthalocyanine, (v) deprotecting asymmetric monoformylated phthalocyanine to obtain asymmetric phthalocyanine having exposed amino groups, (vi) Introducing nitro group on one of the meso-position benzene rings of tetraphenylporphyrin using acidified sodium nitrate to obtain nitrotetraphenylporphyrin, (vii) reducing nitro group of nitrotetraphenylporphyrin using stannous chloride and then complexing with zinc metal by zinc acetate to obtain monoaminoporphyrin, (viii) dispersing reduced graphene oxide in mixed system of o-dichlorobenzene and N-methylpyrrolidone after nitrogen bubbling treatment, adding asymmetric phthalocyanine having exposed amino groups and isoamyl nitrite under the protection of inert gas, avoiding light reaction and wash to obtain the hybrid material reduced graphene oxide-pyridine, and (ix) dispersing hybrid material reduced graphene oxide-pyridine in the mixed system of o-dichlorobenzene and N-methylpyrrolidone, performing nitrogen bubbling treatment, adding monoaminoporphyrin and isoamyl nitrite, protecting from light and reacting under the protection of inert gas to obtain porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material.